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2019:tools:searchmeas:2dhma

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 2019:tools:searchmeas:2dhma [2019/07/03 12:06]jonathan.butterworth 2019:tools:searchmeas:2dhma [2019/07/03 12:08]jonathan.butterworth Both sides previous revision Previous revision 2019/07/08 13:51 jonathan.butterworth 2019/07/08 13:51 jonathan.butterworth 2019/07/03 12:08 jonathan.butterworth 2019/07/03 12:08 jonathan.butterworth 2019/07/03 12:06 jonathan.butterworth 2019/07/03 12:06 jonathan.butterworth 2019/07/03 09:31 jonathan.butterworth 2019/07/03 09:24 jonathan.butterworth 2019/07/03 09:23 jonathan.butterworth 2019/07/03 09:23 jonathan.butterworth 2019/07/03 09:20 jonathan.butterworth 2019/07/03 09:17 jonathan.butterworth 2019/07/03 09:16 jonathan.butterworth 2019/07/03 09:16 jonathan.butterworth 2019/07/03 09:12 jonathan.butterworth 2019/06/25 23:30 jonathan.butterworth 2019/06/25 17:38 jonathan.butterworth 2019/06/25 17:01 jonathan.butterworth 2019/06/25 17:00 jonathan.butterworth 2019/06/25 16:56 jonathan.butterworth 2019/06/25 16:56 jonathan.butterworth 2019/06/25 16:56 jonathan.butterworth 2019/06/25 16:52 jonathan.butterworth 2019/06/25 11:17 jonathan.butterworth 2019/06/25 11:16 jonathan.butterworth created Next revision Previous revision 2019/07/08 13:51 jonathan.butterworth 2019/07/08 13:51 jonathan.butterworth 2019/07/03 12:08 jonathan.butterworth 2019/07/03 12:08 jonathan.butterworth 2019/07/03 12:06 jonathan.butterworth 2019/07/03 12:06 jonathan.butterworth 2019/07/03 09:31 jonathan.butterworth 2019/07/03 09:24 jonathan.butterworth 2019/07/03 09:23 jonathan.butterworth 2019/07/03 09:23 jonathan.butterworth 2019/07/03 09:20 jonathan.butterworth 2019/07/03 09:17 jonathan.butterworth 2019/07/03 09:16 jonathan.butterworth 2019/07/03 09:16 jonathan.butterworth 2019/07/03 09:12 jonathan.butterworth 2019/06/25 23:30 jonathan.butterworth 2019/06/25 17:38 jonathan.butterworth 2019/06/25 17:01 jonathan.butterworth 2019/06/25 17:00 jonathan.butterworth 2019/06/25 16:56 jonathan.butterworth 2019/06/25 16:56 jonathan.butterworth 2019/06/25 16:56 jonathan.butterworth 2019/06/25 16:52 jonathan.butterworth 2019/06/25 11:17 jonathan.butterworth 2019/06/25 11:16 jonathan.butterworth created Next revision Both sides next revision Line 13: Line 13: ===b-jet vetoes and fiducial phase-space=== ​ ===b-jet vetoes and fiducial phase-space=== ​ - The CMS $H \rightarrow WW$ measurement which gives the main sensitivity in the study linked above has a b-jet veto applied at detector-level,​ which is not given in the fiducial phase space and therefore not implemented in rivet. The effect of the b-jet veto is extrapolated out in the unfolding, which therefore assumed the SM. In addition (but related) there is a very large data-driven background subtraction of $WW$ and $t\bar{t}$ SM events. Overall, this means the exclusion for this model (and for most models) from this analysis is is unreliable. (In this case, many of the BSM events entering the fiducial regions will have b-jets since they originate from top and charge Higgs decays.) This analysis should only really be used to exclude anomalous contributions to the $H \rightarrow WW$ cross section which look SM-like (ie do not have any b-jets, for example). More useful for EFT-type studies than Contur. + The CMS $H \rightarrow WW$ measurement ​[[http://​arxiv.org/​abs/​1606.01522|1606.01522]] ​which gives the main sensitivity in the study linked above has a b-jet veto applied at detector-level,​ which is not given in the fiducial phase space and therefore not implemented in rivet. The effect of the b-jet veto is extrapolated out in the unfolding, which therefore assumed the SM. In addition (but related) there is a very large data-driven background subtraction of $WW$ and $t\bar{t}$ SM events. Overall, this means the exclusion for this model (and for most models) from this analysis is is unreliable. (In this case, many of the BSM events entering the fiducial regions will have b-jets since they originate from top and charge Higgs decays.) This analysis should only really be used to exclude anomalous contributions to the $H \rightarrow WW$ cross section which look SM-like (ie do not have any b-jets, for example). More useful for EFT-type studies than Contur. ==Exclusion with the CMS $H \rightarrow WW$ omitted== ==Exclusion with the CMS $H \rightarrow WW$ omitted== Line 23: Line 23: Checking through the other $WW$ analyses currently being used by Contur, several have jet vetoes and background subtraction,​ but all have the jet veto applied in the fiducial phase space and in the Rivet routine; in addition the background subtractions are much smaller and generally use the SM predictions rather than data. This presumably explains their lower //​apparent//​ sensitivity,​ but means the sensitivity that remains is reliable. Checking through the other $WW$ analyses currently being used by Contur, several have jet vetoes and background subtraction,​ but all have the jet veto applied in the fiducial phase space and in the Rivet routine; in addition the background subtractions are much smaller and generally use the SM predictions rather than data. This presumably explains their lower //​apparent//​ sensitivity,​ but means the sensitivity that remains is reliable. - The ATLAS $H \rightarrow WW$ is not used in Contur to date, but is actually a bit more useable than the CMS paper, since the jets are included in the fiducial definition. However, there is still a large data-driven background ​ + The ATLAS $H \rightarrow WW$ [[https://​arxiv.org/​abs/​1604.02997|1604.02997]] ​is not used in Contur to date, but is actually a bit more useable than the CMS paper, since the jets are included in the fiducial definition. However, there is still a large data-driven background ​ subtraction,​ based upon a b-tagged control region. subtraction,​ based upon a b-tagged control region.
2019/tools/searchmeas/2dhma.txt · Last modified: 2019/07/08 13:51 by jonathan.butterworth